<template>
  <div class="goodsinfo-container">
    <!-- 小球 -->
    <!-- 小球显示和隐藏 -->
    <transition @before-enter="beforeEnter" @enter="enter" @after-enter="afterEnter">
      <div class="ball" v-show="ballFlag" ref="ball"></div>
    </transition>

    <!-- 商品轮播图区域 -->
    <div class="mui-card">
      <div class="mui-card-content">
        <div class="mui-card-content-inner">
          <!-- 御剑乘风来 除魔天地间 -->
          <swiper :lunbotuList="aa" :isfull="false"></swiper>
        </div>
      </div>
    </div>

    <!-- 商品购买区域 -->
    <div class="mui-card">
      <div class="mui-card-header">{{goodsInfo.title}}</div>
      <div class="mui-card-content">
        <div class="mui-card-content-inner">
          <p class="price">
            市场价：
            <del>￥{{goodsInfo.market_price}}</del>&nbsp;&nbsp;销售价：
            <span class="now_price">￥{{goodsInfo.sell_price}}</span>
          </p>
          <p>
            购买数量：
            <numbox @func="getCount" :max="goodsInfo.stock_quantity"></numbox>
          </p>
          <p>
            <mt-button type="primary" size="small">立即购买</mt-button>
            <mt-button type="danger" size="small" @click="addToShopCar">加入购物车</mt-button>
          </p>
        </div>
      </div>
    </div>

    <!-- 商品参数区域 -->
    <div class="mui-card">
      <div class="mui-card-header">商品参数</div>
      <div class="mui-card-content">
        <div class="mui-card-content-inner">
          <p>商品货号：{{goodsInfo.goods_no}}</p>
          <p>库存情况：{{goodsInfo.stock_quantity}}</p>
          <p>上架时间：{{goodsInfo.add_time | format}}</p>
        </div>
      </div>
      <div class="mui-card-footer">
        <mt-button type="primary" size="large" @click="goDesc(id)">图文介绍</mt-button>
        <mt-button type="danger" size="large" plain @click="goComment(id)">商品评论</mt-button>
      </div>
    </div>
  </div>
</template>

<script>
import { getlunbotu, getGoodsInfo, goodsDesc, getGoodsList } from "@/api";

import swiper from "../subcomponents/swiper";
import number_box from "../subcomponents/number_box";
export default {
  data() {
    return {
      id: this.$route.params.id,
      aa: [],
      goodsInfo: {},
      ballFlag: false,
      count:1
    };
  },
  created() {
    this.init();

    getGoodsInfo(this.id).then(res => {
      console.log(res, 222);
      this.goodsInfo = res.data.message[0];
    });
  },
  methods: {
    init() {
      getlunbotu(this.id).then(res => {
        console.log(res, 5566);
        res.data.message.forEach(item => {
          item.img = item.src;
        });

        this.aa = res.data.message;
      });
    },

    goDesc(id) {
      this.$router.push("/home/goodsDesc/" + id);
    },
    goComment(id) {
      this.$router.push("/home/goodsComment/" + id);
    },

    /* 假如购物车动画 */
    addToShopCar() {
      this.ballFlag = !this.ballFlag;

      var  obj={
        id:this.id,
        count:parseInt(this.count),
        price:this.goodsInfo.sell_price,
        selected:true
      };

      this.$store.commit("addToCar",obj);
    },

    beforeEnter(el) {
    
      el.style.transform = "translate(0,0)";
    },
    enter(el,done) {
        //console.log(el, 778);
      el.offsetWidth;
      el.style.transition = "all  1s  ease";

      // var  ballPosition=this.$refs.ball.getBoundingClientRect()
      var  ballPosition=el.getBoundingClientRect();
      var  badgePosition=document.querySelector(".mui-badge").getBoundingClientRect();

      var  y=badgePosition.top-ballPosition.top;
      var  x=badgePosition.left-ballPosition.left;

      // el.style.transform = "translate(93px,230px)";
      el.style.transform = `translate(${x}px,${y}px)`;
      done()
    },
    afterEnter(el) {
      this.ballFlag = !this.ballFlag;
    },

    /* 获取子组件传过来的数量 */
    getCount(count){
      console.log(count,23);
      this.count=count
    }
  },
  components: {
    swiper,
    numbox: number_box
  }
};
</script>

<style lang="less" scoped>
.goodsinfo-container {
  background-color: #eee;
  overflow: hidden;

  .now_price {
    color: red;
    font-size: 16px;
    font-weight: bold;
  }

  .mui-card-footer {
    display: block;
    button {
      margin: 15px 0;
    }
  }

  .ball {
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background-color: red;
    position: absolute;
    z-index: 99;
    top: 390px;
    left: 146px;
  }
}
</style>







